surface acceleration 中文意思是什麼
surface acceleration
解釋
表面加速度- surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
- acceleration : n. 1. 加速；促進。2. 【物理學】加速度；變速。3. 【教育】加速升級。
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The characteristic surface is essentially an acceleration front.
特徵曲面實質上是一種加速度波的波陣面。 -
And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。 -
Which combines four acceleration techniques : fast detection of overlapped regions by reverse calibration, more - careful selection of control points, fast surface closet point computation with closet vertex caching and compatibility test of pairing points based on the difference of modulation
針對兩幅距離像間的配準，我們分別從重疊區域檢測、控制點選取、對應點計算和對應點有效性檢查四個方面提出了多種加速方案，從而實現了大數據量距離像的快速局部配準。 -
Airborne gravimetry is a new kind of technique for surveying the gravity acceleration over the earth ' s surface and is advanced in gravimetry history, which basing on aircraft, including gravimeter, gps, altimeter and attitude sensor etc.
航空重力測量是一種新型的重力測量技術，它以飛機為載體，綜合應用重力傳感器、 gps 、高度傳感器、姿態傳感器等設備測定近地空間重力加速度。航空重力測量是重力測量的一次歷史性變革。 -
Through the model the computerized analysis of speed, angle and acceleration of gear real tooth surface could be accomplished
考慮齒輪對嚙合過程中的正常嚙合、脫嚙和齒背嚙合及碰撞的情況建立齒輪傳動系統振動數學模型。 -
Then the experiment platform of the hypoid gear system was set up, and the lateral, longitudinal and axial vibration response of the bearing and the vibration acceleration response on the surface of the gearbox were measured
搭建了準雙曲面齒輪傳動系統的實驗平臺，測量了準雙曲面齒輪箱軸承座的橫向、縱向和軸向振動響應和箱體表面振動加速度響應。 -
Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。 -
As far as the same type of the igniting delay - time cannulation is concerned, there are two main important factors that affect its dynamic delay - time in conclusion : one is the length of the igniting delay - time cannulation ; the other is kinetic and directing at burning surface of igniting delay - tune cannulation inner acceleration
對于同一種類型的點火延期管，影響其動態延期時間的因素主要集中在兩個方面上：一是點火延期管的長度，一是點火延期管燃燒表面的內法向加速度。 -
Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume
結合水泥石強度試驗和xrd試驗，從火山灰效應、填充效應、水泥水化促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水化硬化過程中的作用機理；從這四個方面出發，對比分析了納米硅粉和普通硅粉作用機理的異同點，分析表明，納米硅粉的優異特性主要表現為顆粒細度、晶體結構、表面羥基等特性。 -
Aiming at the key component, through analyzing the time domain and frequency characteristic of acceleration vibration signals and force signals, this paper attempts to find the infection factors of grinding vibration and to optimize the grinding parameters, which is based on ultra - high speed surface grinding experimentation
摘要以關鍵部件為研究對象，通過在超高速磨削實驗臺上進行磨削工藝試驗，對比不同參數下加速度振動信號和磨削力信號的時頻特徵，分析了磨削過程振動特性及其各種影響因素，提出磨削工藝參數優化方案。 -
Results show that all the parts of the artillery produce vibration acceleration in the traveling course. the power spectrum is mainly in the low frequency segment. worse road surface and higher speed will cause higher power spectrum value of the acceleration response
結果表明火炮牽引行駛過程中各部件均產生振動加速度，其功率譜主要分佈在在低頻段，路況差、速度高則加速度響應的功率譜值高。 -
The acceleration time process of road surface plainness is got by using two integral calculus of the acceleration time process which is measured by five - wheel equipments. this data is worked as the input of the road surface for theoretical calculation. the result of experiments mostly fits that of calculation, and then the multiple - acceleration power spectrum distribution of the artillery and tractor are acquired
在瀝青路面、破損鋪磚路和砂石路面上以不同速度進行了平穩隨機激勵牽引試驗，用五輪儀測量得到的加速度時間歷程進行兩次積分的方法得到路面不平度的時間歷程做為路面輸入進行對應的理論計算，試驗結果和計算結果基本相符，得到了火炮和牽引車多個加速度功率譜分佈。 -
Testing of surface - active agents and textile auxiliaries ; testing of the effect of carriers when dyeing polyester textiles with disperse dyestuffs ; testing of the acceleration effect
表面活性劑和紡織助劑的檢驗.用分散染料染聚酯紡織物 -
3. for three kinds of different soil layer construction, the characters of the platform values and the characteristic periods of ground surface acceleration response spectra were studied
3系統地研究了軟夾層在底部、中部和頂部的三種土層結構的反應譜平臺值和特徵周期的主要特徵。 -
With the use of one - dimension equivalent - linear wave motion method which is wildly used at present in the analysis of earthquake site response, the platform values and the characteristic periods of ground surface acceleration response spectra of different profiles were calculated and analyzed under different ground motion inputs
利用目前工程上常用的一維等效線性化波動方法計算分析在不同地震動輸入下，不同場地類別、三種土層結構的地表加速度反應譜的特徵周期和平臺值。 -
A new method based on the frequency decrease rate for fast identification of site liquefaction from surface acceleration records was presented
摘要提出了一個以頻率下降率為基本指標的依據強震記錄快速識別場地液化的新方法。 -
A constant surface seed control was incorporated and continuously anticipated the most efficient spindle speed for the next cut to minimize time lost or spindle acceleration
一個表面的控制將整合併不斷地預測最有效的軸速，一是下一次切割用最少的時間或最小的轉速。 -
The mouse utilize a tri - axial acceleration sensor and can be operated in free space without resting on any surface. user interaction is done though certain gestures as left tilt right tilt and raise fall of the mouse
可以在任何空間里操作而不需要放置滑鼠的桌面，因此可以用類似雷射筆的方式來控制電腦游標。 -
Parallel kinematic mechanism ( pkm ) has notable features of reduced mass of moving parts and thus increased acceleration reserves, in addition to that, pkm allow the implementation of modular construction methods and a clear improvement in the quality of the machined surface
並聯機構具有運動質量小的顯著特點，因此應用並聯機構的虛擬軸機床能提高加速能力，顯著改善加工表面質量，而且機床由於能採用許多相同的零部件而降低了生產成本。 -
And then the lower limit of the frequency decrease rate was derived, and the last identification method of site liquefaction from surface acceleration records was proposed
基於強震記錄快速識別場地液化的方法，並用實際地震記錄對其可靠性進行了分析。
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